What element is 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d10 5p6 6s2 5d1 4f4?

Technetium. The 4s2 is supposed to be written before the 3d10 and the 5s2 is supposed to be written before the 4d5.